Home / 253,917.38-350,239.34-163,130.16

Finding the Fourth Proportional to 253,917.38, 350,239.34 and 163,130.16

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Solution

The fourth proportional to 253,917.38, 350,239.34 and 163,130.16 is: 225,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,917.38 : 350,239.34 = 163,130.16 : x
  2. Step 2: Convert to fraction form
    253,917.38/350,239.34 = 163,130.16/x
  3. Step 3: Cross multiply
    253,917.38x = 350,239.34 × 163,130.16
  4. Step 4: Simplify right side
    253,917.38x = 57,134,599,572.49
  5. Step 5: Solve for x
    x = 57,134,599,572.49/253,917.38
  6. Step 6: Final answer
    x = 225,012.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.